Oulu in May
6.1out of 10
Possible, with caveats
Cool: highs only around 12°C. Frequent rain: about 10 rainy days.
12°CAvg high
3°CAvg low
10Rainy days (48 mm)
18:15 hDaylight
04:07Sunrise · 22:22 Sunset
Why this score
- Cool: highs only around 12°C
- Frequent rain: about 10 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.7 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -6°C | -12°C | 35 mm | 9 | – | – | 3.9 |
| February | -6°C | -12°C | 29 mm | 8 | – | – | 4.0 |
| March | -1°C | -9°C | 30 mm | 8 | – | – | 4.0 |
| April | 5°C | -3°C | 30 mm | 7 | – | – | 5.1 |
| May | 12°C | 3°C | 48 mm | 10 | – | – | 6.1 |
| June | 17°C | 8°C | 56 mm | 10 | – | – | 7.0 |
| July | 20°C | 11°C | 78 mm | 13 | – | – | 7.2 |
| August | 18°C | 10°C | 71 mm | 12 | – | – | 6.9 |
| September | 13°C | 5°C | 56 mm | 11 | – | – | 6.2 |
| October | 5°C | 0°C | 50 mm | 10 | – | – | 4.9 |
| November | 0°C | -4°C | 48 mm | 11 | – | – | 3.7 |
| December | -3°C | -8°C | 43 mm | 11 | – | – | 3.7 |
Frequently asked questions
How hot is Oulu in May?
Daytime highs average 12°C and nights about 3°C.
When is the best time to visit Oulu?
The best months are July, June, August.